40766031 has 16 divisors (see below), whose sum is σ = 61125120. Its totient is φ = 26848440.

The previous prime is 40766029. The next prime is 40766053. The reversal of 40766031 is 13066704.

40766031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40766031 - 2¹ = 40766029 is a prime.

It is a super-2 number, since 2×40766031² = 3323738566985922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40765986 and 40766004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40766071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6855 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (3820320).

Almost surely, 2^40766031 is an apocalyptic number.

40766031 is a deficient number, since it is larger than the sum of its proper divisors (20359089).

40766031 is a wasteful number, since it uses less digits than its factorization.

40766031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18283 (or 18277 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 40766031 is about 6384.8281887612. The cubic root of 40766031 is about 344.1645569959.

The spelling of 40766031 in words is "forty million, seven hundred sixty-six thousand, thirty-one".